Methyl 4-methyl-3-oxotetrahydrothiophene-2-carboxylate

4-甲基-3-氧代四氢噻吩-2-甲酸甲酯

Also known as: Methyl tetrahydro-4-methyl-3-oxothiophene-2-carboxylate, Methyl 4-methyl-3-oxo-2,3,4,5-tetrahydrothiophene-2-carboxylate, Methyl 4-methyl-3-oxo-tetrahydrothiophene-2-carboxylate, 2-Thiophenecarboxylic acid, tetrahydro-4-methyl-3-oxo-, methyl ester, Articaine Impurity 22, Articaine-009, 2-Carbomethoxy-4-methyl-3-thiophanone, Methyl 2-methyl-3-oxo-tetrahydrothiophene-2-carboxylate, methyl 4-methyl-3-oxothiolane-2-carboxylate, 4-Methyl-2-carbomethoxy-3-oxothiophan, 2-Methoxycarbonyl-4-methyl-3-oxotetrahydrothiophene

Methyl 4-methyl-3-oxotetrahydrothiophene-2-carboxylate (CAS 2689-70-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H10O3S and a molecular weight of 174.21700 g/mol. It is also known as Methyl tetrahydro-4-methyl-3-oxothiophene-2-carboxylate, Methyl 4-methyl-3-oxo-2,3,4,5-tetrahydrothiophene-2-carboxylate and Methyl 4-methyl-3-oxo-tetrahydrothiophene-2-carboxylate. Key properties include a boiling point of 254ºC, a density of 1.224 and a flash point of 116ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

2689-70-5

Jingsj CID

J-1310382-8

Molecular Formula

C₇H₁₀O₃S

Chinese Name

4-甲基-3-氧代四氢噻吩-2-甲酸甲酯

Molecular Weight

174.21700 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026